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Hi,
As per your setup, R1 is not ABR/ASBR, so area 100 nssa default-information-originate cant be used on R1, now if the Task says to advertise a default from R1, maybe there is another way..
Why not default-information originate always ? on R1
http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cr/hirp_r/rte_osph.htm#wp1089033

On 7/31/06, CCIEin2006 wrote: > > Basically the setup looks like this: > > (R1)–Area100–(R3)–Area0 > | > Area100 > | > (R2) > > R1, R2, and R3 are connected to Area100 which is a NSSA. R3 is also > connected to Area0. > R1 is configured with Area 100 nssa default-information-originate. > > Both R2 and R3 see the 0.0.0.0 route in their OSPF database but only R2 > actually enters the route in its routing table. R3 is not entering the > route > in its routing table. > > Can you explain why that is? I figured it might have something to do with > R3 > being connected to Area0 but I’m not sure…. > > Thanks > > > On 7/30/06, Scott Morris wrote: > > > > NSSA doesn’t inject a default route automagically. You need to put it > on > > the command line: > > > > Area 100 nssa default-information-originate > > > > Every other stub area type does automagically give you 0/0, but nssa > does > > not. > > > > Is that the problem you were running into? > > > > > > Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, > JNCIE > > #153, CISSP, et al. > > CCSI/JNCI-M/JNCI-J > > IPExpert VP - Curriculum Development > > IPExpert Sr. Technical Instructor > > smorris@ipexpert.com > > http://www.ipexpert.com > > > > > > > > —–Original Message—– > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of > > CCIEin2006 > > Sent: Sunday, July 30, 2006 8:28 PM > > To: Cisco certification > > Subject: Tricky One - Can Backbone router learn default route from NSSA? > > > > I was doing one of the vendor labs and for some reason the backbone > > routers > > was not accepting a default route from its neighbor in a nssa. Is there > a > > rule against this? > > > > _______________________________________________________________________ > > Subscription information may be found at: > > http://www.groupstudy.com/list/CCIELab.html > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html